78820874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2887}}^1$

素因数の和:2990

約数の個数: 32

約数和(自身を含む): 138485376

約数和(自身を除く): 59664502

約数列:

[1, 2, 11, 17, 22, 34, 73, 146, 187, 374, 803, 1241, 1606, 2482, 2887, 5774, 13651, 27302, 31757, 49079, 63514, 98158, 210751, 421502, 539869, 1079738, 2318261, 3582767, 4636522, 7165534, 39410437, 78820874]

約数ペア:

[(1, 78820874), (2, 39410437), (11, 7165534), (17, 4636522), (22, 3582767), (34, 2318261), (73, 1079738), (146, 539869), (187, 421502), (374, 210751), (803, 98158), (1241, 63514), (1606, 49079), (2482, 31757), (2887, 27302), (5774, 13651)]